infile,f,a,"",,,"Name of the input Event FITS file"
outfile,f,a,"",,,"Name of the output Event FITS file or NONE to overwrite the input file"
phasconffile,f,h,"CALDB",,,"Input phas configuration file name or CALDB"
clobber,b,h,no,,,"Overwrite existing output file (if outfile!=NONE)?(yes/no)"
history,b,h,yes,,,"Write HISTORY keywords in output file?(yes/no)"
chatter,i,h,2,0,5,"Chatter Level"
mode,s,h,"ql",,,"Mode"